I help business owners build sales systems on the Internet and put AI to work in them, with no coding needed.
Handbooks for business owners
Read in your browser or download: Second Brain, digital assets, naming a trademark, domain email and many more. Sign up once to open the whole library. The documents are in Vietnamese.
Learn to build the system yourself
Four video courses, from easy to in-depth. Pick the step you need right now. All courses are taught in Vietnamese.

Second Brain with Claude AI
Hand repetitive work to AI so you can focus on the work that brings in money. Comes with a Skill library.
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Lightning Sales Page with Claude AI
A real class recording: building a sales page with Claude AI for a real product. No coding needed.
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CAS Video Marketing
Think about video the right way, make it consistently, and read the numbers so your videos bring in customers. Comes with the Automatic Video Editing course.
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CAS Automation: Build an Automated Customer System
A complete 12-part program to build a machine that attracts, nurtures and converts customers for your business. Comes with 14 handbooks.
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Articles on sales systems, content, AI and real business stories. Most articles are in Vietnamese; a selection is translated into English.

From phone repairman to building automated sales systems on the Internet
I started out as a phone repairman, then became the owner of a shop specialising in micro-soldering, the hardest part of the trade. After that I opened a tech store, built the YouTube channel Tấn Đào Mobile to more than 110,000 subscribers, and founded CAS Academy.
Six years with BNI: I served as President of BNI Rainbow Chapter (Term 11), and I am now a BNI BEST Ambassador and DnA for BNI Hanoi Region 6. These days I spend most of my time helping business owners build sales systems on the Internet and put AI to work in them.
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